Power Management And Wake Up Events - Compaq Evo D310 Micro-Desktop Technical Reference Manual

Power Management and Wake Up Events

You can reduce the PC's overall power consumption by using Power Management to slow down the PC's
activity when it is idle.
ACPI Power Management Modes
(Windows 98, Windows 2000 and Windows XP)
Idle (s1):
•
The processor is shutdown.
Standby (s3):
•
All components of the system are shut down except for the system memory which remains active. This
management mode is also known as "Suspend to RAM".
Hibernation (s4):
•
System memory is copied to the hard disk. All components of the system are shut down. This
management mode is also known as "Suspend to Disk".
Off (s5):
•
All components of the system are shut down.
The following table lists the possible Wake Up Events for the different power management modes,
activity on any one of these events will cause the system to wake up from it's current power state:
Power State
s1 (Idle)
s3 (Standby/Suspend to RAM)
s4 (Hibernation/Suspend to Disk)
s5 (Off)
Wake Up Event
Windows 98 Windows 2000/XP
RTC (Real Time Clock)
LAN
RI# (Ring Indicator)
USB
PS/2 Keyboard
Power Button
Not Applicable RTC (Real Time Clock)
RI# (Ring Indicator)
Power Button
Power Button
Power Button
BIOS Overview
LAN
USB
LAN
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